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Subject[PATCH] pm80xx: Remove bogus address masking in pm8001_ioremap()
Date
From: David Daney <david.daney@cavium.com>

It is unclear what the original intent of the masking was, but it is
clearly incorrect to truncate a physical address before calling
ioremap(). On systems where there are valid physical address bits
above bit-31 (arm64 for example) the result is an eventual OOPs when
initializing the driver.

Remove the bogus code to fix it.

Signed-off-by: David Daney <david.daney@cavium.com>
---
drivers/scsi/pm8001/pm8001_init.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 062ab34..6bd7bf4 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -418,8 +418,6 @@ static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
pm8001_ha->io_mem[logicalBar].membase =
pci_resource_start(pdev, bar);
- pm8001_ha->io_mem[logicalBar].membase &=
- (u32)PCI_BASE_ADDRESS_MEM_MASK;
pm8001_ha->io_mem[logicalBar].memsize =
pci_resource_len(pdev, bar);
pm8001_ha->io_mem[logicalBar].memvirtaddr =
--
1.8.3.1
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